TY - JOUR AU - A. V. Il'ev TI - Decidability of universal theories and axiomatizability of hereditary classes of graphs JO - Trudy Instituta matematiki i mehaniki PY - 2016 SP - 100 EP - 111 VL - 22 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TIMM_2016_22_1_a10/ LA - ru ID - TIMM_2016_22_1_a10 ER -